89.13% is the change from 322 to 609
Calculation steps:
[( 609 - 322 ) ÷ 322] x 100 = 89.13%
Formula
Percentage change = [(609 - 322) / 322] x 100
Subtract the new number by the original number
609 - 322 = 287
287 ÷ 322 = 0.8913043478260869
0.8913043478260869 x 100 = 89.13%